package leetcode.dataStructure;

import java.util.ArrayList;
import java.util.List;

public class ThreadYield   {
    //线程不安全的集合

    public static synchronized void main(String[] args) {
        List<String> list = new ArrayList<String>();
        for (int i = 0; i < 10000; i++) {
            new Thread(()->{
                synchronized (list){

                    list.add(Thread.currentThread().getName());
                }
            }).start();
        }
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        System.out.println(list.size());
    }
}

